public void Delegate_type_activator_throws_if_the_underlying_function_returns_null()
{
// Arrange
var activator = new DelegateTypeActivator(_ => null);
// Act & assert
Assert.Throws <CliFxException>(() =>
activator.CreateInstance(typeof(WithDependenciesCommand)));
}
public void CreateInstance_Negative_Test(Func <Type, object> activatorFunc, Type type)
{
// Arrange
var activator = new DelegateTypeActivator(activatorFunc);
// Act & Assert
var ex = Assert.Throws <CliFxException>(() => activator.CreateInstance(type));
Console.WriteLine(ex.Message);
}
public void CreateInstance_Test(Func <Type, object> activatorFunc, Type type)
{
// Arrange
var activator = new DelegateTypeActivator(activatorFunc);
// Act
var obj = activator.CreateInstance(type);
// Assert
obj.Should().BeOfType(type);
}
public void Delegate_type_activator_can_initialize_a_command_using_a_custom_function()
{
// Arrange
var activator = new DelegateTypeActivator(_ =>
new WithDependenciesCommand(new DependencyA(), new DependencyB()));
// Act
var obj = activator.CreateInstance(typeof(WithDependenciesCommand));
// Assert
obj.Should().BeOfType <WithDependenciesCommand>();
}